diff options
Diffstat (limited to 'target-ppc/helper.c')
| -rw-r--r-- | target-ppc/helper.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/target-ppc/helper.c b/target-ppc/helper.c index ff1355c541..3f7a708712 100644 --- a/target-ppc/helper.c +++ b/target-ppc/helper.c @@ -807,6 +807,8 @@ void do_compute_hflags (CPUPPCState *env) void do_store_msr (CPUPPCState *env, target_ulong value) { + int enter_pm; + value &= env->msr_mask; if (((value >> MSR_IR) & 1) != msr_ir || ((value >> MSR_DR) & 1) != msr_dr) { @@ -846,8 +848,19 @@ void do_store_msr (CPUPPCState *env, target_ulong value) msr_ri = (value >> MSR_RI) & 1; msr_le = (value >> MSR_LE) & 1; do_compute_hflags(env); - if (msr_pow) { + + enter_pm = 0; + switch (PPC_EXCP(env)) { + case PPC_FLAGS_EXCP_7x0: + if (msr_pow == 1 && (env->spr[SPR_HID0] & 0x00E00000) != 0) + enter_pm = 1; + break; + default: + break; + } + if (enter_pm) { /* power save: exit cpu loop */ + env->halted = 1; env->exception_index = EXCP_HLT; cpu_loop_exit(); } |